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EWG's Tap Water Database — 2021 UPDATE

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Dibromomethane

Westerly Water Department

Dibromomethane is an industrial chemical and is also formed when disinfectants like chlorine are added to drinking water.

MORE ABOUT THIS CONTAMINANT

 

53

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND240ND
2015ND40ND
2016ND50ND
2017ND140ND
2018ND30ND
2019ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-01BG39529-VOCND
2014-05-01BG39529-VOCND
2014-05-01BG39528-VOCND
2014-05-01BG39528-VOCND
2014-05-02BG40111-VOCND
2014-05-02BG40111-VOCND
2014-05-02BG40109-VOCND
2014-05-02BG40109-VOCND
2014-05-06BG41004-VOCND
2014-05-06BG41004-VOCND
2014-05-08BG42439-VOCND
2014-05-08BG42439-VOCND
2014-05-13BG43968-VOCND
2014-05-13BG43968-VOCND
2014-05-14BG44525-VOCND
2014-05-14BG44525-VOCND
2014-05-15BG45214-VOCND
2014-05-15BG45214-VOCND
2014-08-13BG93035_TO12ND
2014-08-13BG93035_TO12ND
2014-08-13BG93034_TO12ND
2014-08-13BG93034_TO12ND
2014-10-14BH27157_TO12ND
2014-10-14BH27157_TO12ND
2015-04-14BJ02109_TO12ND
2015-07-23BJ62466_TO12ND
2015-07-23BJ62467_TO12ND
2015-11-05BK18734_TO12ND
2016-04-21BN17550_TO12ND
2016-09-01BV01410_TO12ND
2016-09-01BV01409_TO12ND
2016-10-18BV54591_TO12ND
2016-12-08BX01644_TO12ND
2017-04-26BY10336_TO12ND
2017-04-27BY11118_TO12ND
2017-04-28BY11763_TO12ND
2017-04-28BY11766_TO12ND
2017-05-02BY13338_TO12ND
2017-05-03BY14011_TO12ND
2017-05-03BY14008_TO12ND
2017-05-16BY21039_TO12ND
2017-05-30BY30474_TO12ND
2017-05-30BY30473_TO12ND
2017-05-30BY30472_TO12ND
2017-07-20BY68550_TO12ND
2017-07-20BY68549_TO12ND
2017-11-09BZ38811_TO12ND
2018-05-30CA60979_TO12ND
2018-09-04CB23931_TO12ND
2018-12-19CC17412_TO12ND
2019-05-14CD12482_TO12ND
2019-08-01CD69857_TO12ND
2019-11-07CE56488_TO12ND